Hermione was just about to thank Bryn for the wine, when CJ (Crookshanks Jr) leaped up into Bryn's arms. Oh no! She hadn't remembered to ask Rosie if Bryn was allergic to cats, not that she could have really done much about it- CJ pretty much did what he wanted (like his predecessor), much to the annoyance of Ron. As if he knew what she was thinking, and he probably did, CJ gave Ron a look that that said plain as day don't even think of trying to remove me
"Bryn, I'm so sorry, I didn't think to ask Rose if you were allergic to cats. I can remove him if you like."